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Anleitung Gigabyte, modell GA-8I955X Royal

Hersteller: Gigabyte
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Anleitung Zusammenfassung


Two major challenges facing the storage industry today are keeping pace with the increasing performance demands of computer systems by improving disk I/O throughput and providing data accessibility in the face of hard disk failures while utilizing full disk capacity. With SiIicon Image Serial ATA host controller and SATARAID5, both of these problems are solved. SATARAID5 software provides a Graphical User Interface (GUI) for easy-to-use configurations of the RAID Groups. 1.1 SATARAID5 Features • RAID 0 and RAID 1 Groups are supported. • Supported OS: Win2000/XP/Server 2003. • RAID Groups can be created and deleted without exiting Windows. • Hot Spare and On-line Rebuilding. The spare policy supports testing periodically for a health check of the spare disk. Spare drive can be global or dedicated to a specific RAID group. • Supports Auto and Manual rebuild policy for a RAID group. • System GUI Monitoring Utility: • Displays/Logs/Alerts Users to Vital RAID Group Information. • Manages RAID Group Functions (configures, rebuilds, etc.,). • Supports the ability to partition and map a segment of disk to a virtual LUN or disk. • Supports up to two RAID groups. Any excess capacity on disk drives can be formatted as independent logical drives. • Adjustable Stripe Size for RAID 0. • Uses the Self-Monitoring, Analysis, and Reporting Technology (SMART) feature in the attached drives for automatic notification of imminent drive failures. • Employ RAID recovery algorithms to maintain data integrity in the event of a disk failure including bad block management. • Automatically Selects Highest Available Transfer Speed for All SATA Devices. Supports the following: • Data transfer rate up to 150MB/Sec (SiI3114, SiI3124-1), and 300MB/Sec (SiI3124-2, Sil3132) • Support up to 4 SATA devices connected to a single controller. • ACPI, SATA 1.0 (SiI3114, Sii3124-1), and SATA 2.0 (SiI3124-2, Sil3132) • Supports drive roaming capability allowing drives from one controller to be moved to another without loss of data. • Employs a task manager for the scheduling of any RAID or disk management operations including RAID group creation, rebuild, and test. SATARAID5 User’s Manual 2 An Introduction to RAID RAID - Redundant Array of Independent Disks RAID technology manages multiple disk drives to enhance I/O performance and provide redundancy in order to withstand the failure of any individual member, without the loss of data. There are many different methods of implementation for RAID, with each having advantages and disadvantages. Raid levels or set types are given a numerical designator that defines its implementation such as RAID 0 or RAID 1. SATARAID5 provides support for two RAID Group types: Striped (RAID 0), and Mirrored (RAID 1). Other RAID types are not supported by SATARAID5 software and thus are not discussed. 2.1 Disk Striping (RAID 0) Striping is a performance-oriented, non-redundant data mapping technique. While Striping is discussed as a RAID Group type, it is does not provide any fault tolerance. With modern SATA and ATA bus mastering technology, multiple I/O operations can be performed in parallel, enhancing data throughput. Striping arrays use multiple disks to form a larger virtual disk. The figure below illustrates a three-disk stripe set. Stripe one is written to disk one, stripe two to disk two, and so forth. RAID 0 sets can be comprised of two, three, or four drives. Stripe2 Stripe5 Stripe8 Stripe11 Stripe0 Stripe3 Stripe6 Stripe9 Stripe1 Stripe4 Stripe7 Stripe10 2.2 Disk Mirroring (RAID 1) Disk mirroring creates an identical twin for a selected disk by having the data simultaneously written to two disks. This redundancy provides instantaneous protection from a single disk failure. If a read failure occurs on one drive, the system reads the data from the other drive. RAID 1 sets are comprised of two drives. A third drive can be allocated as a spare in case one of the drives in the set fails. Block 0 Block 1 Block 2 Block 3 Block 0 Block 1 Block 2 Block 3 2.3 CONCATENTION The CONCATENATION is a virtual disk that can either be an entire disk drive or a segment of a single disk drive. Since BIOS no longer reports non-RAID drives to the system BIOS, if a non-RAID boot drive or data drive is desired, a CONCATENATION can be created so BIOS will report it to the system BIOS. SATARAID5 User’s Manual 3 Installing Drivers Before installing Windows 2000/XP onto a serial ATA hard disk on the Silicon Image Serial ATA controller, the Silicon Image Serial ATA controller driver must be installed. The following steps explain how to copy the Serial ATA controller driver from the motherboard driver CD-ROM to a floppy disk in MS-DOS mode and install the driver during OS installation. Please prepare a startup disk that has CD-ROM support and a blank formatted disk. Step 1: Insert the prepared startup disk and motherboard driver CDROM in your system. Boot from the startup disk. Once at the A:\> prompt, change to the CD-ROM drive (example: ...


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